Hot Water Tanks For Radiant In-Floor Heating - Plumbing - DIY Home Improvement | DIYChatroom

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Old 11-24-2012, 12:33 PM   #1
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Hot Water Tanks for Radiant In-Floor Heating

Several pictures of 2 hot water tanks for Radiant In-Floor heating.

They are hooked-up in series right through the concrete wall.

Tank #1 supplies hot water and radiant heat in-floor.

Tank #2 supplies only radiant heat in-floor.

This was configured by a really talented plumber and electrician.
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Hot Water Tanks for Radiant In-Floor Heating-hotwater-tank-system-steroids-1.jpg   Hot Water Tanks for Radiant In-Floor Heating-hotwater-tank-system-steroids-2.jpg   Hot Water Tanks for Radiant In-Floor Heating-hotwater-tank-system-steroids-3.jpg   Hot Water Tanks for Radiant In-Floor Heating-hotwater-tank-system-steroids-4.jpg  


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Old 11-24-2012, 01:05 PM   #2
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This will generally work okay provided that the water heater give enough BTU.

Because the radiant heating water and domestic hot water are commingled, it is possible to turn on the faucet and get only lukewarm water if the space heating part of the system just kicked on and the floors were quite cool, pulling down the temperature of the entire "body of water".

Is this considered a "normal" installation? Given all the pipework as shown, how hard would it be to extricate the water heater and replace when it springs a leak? Also the warranty may be voided by this usage.


The good conscientious technician or serviceperson will carry extra oils and lubricants in case the new pump did not come with oil or the oil was accidentally spilled, so the service call can be completed without an extra visit.

Last edited by AllanJ; 11-24-2012 at 01:12 PM.
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